wangmiaozero/pi-harness v2.3.15 is a release that adds model configuration presets and Ollama Muki settings and revises several behaviors, including session chat, tool presets, and update checks. These changes are recorded in the v2.3.15 release notes on GitHub. The provided information does not state what specifically changed in session chat or in the tool presets. So the changes confirmed in this version are limited to two added items and a set of behavior fixes.
According to the repository description, pi-harness includes the features of the Pi Coding Agent and adds observability, governance, recovery, evaluation, and multi-agent orchestration to form an operational extension. Observability is the term for the scope that makes system behavior visible, and the other items are presented as the operational features the repository aims at. This description shows the target scope of the project, but it does not explain how each feature is implemented or whether it changed in this release.
The provided release summary contains no per-item detail, no compatibility information, and no evaluation results. The repository star count is given as 204, but that number alone cannot judge the quality of this version or the size of the improvement. So what can be confirmed in v2.3.15 is the addition of the preset and the Ollama setting, together with revisions to several behaviors such as session chat, tool presets, and update checks. The detailed effect cannot be asserted beyond the scope given in the release notes.